HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesPoeciliidsLargespot livebearer Largespot livebearer (Poeciliopsis pleurospilus) Scientific name: Poeciliopsis pleurospilus G?nther, 1866 The Largespot livebearer (Poeciliopsis pleurospilus) is a freshwater fish of the family Poeciliidae. Native range: North America. Species factsScientific namePoeciliopsis pleurospilusFamilyPoeciliidae (Poeciliids)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; benthopelagicClimateTropicalDistributionNorth America.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026